D defs.my
Entry 2 senses Webster, 1913

Telephonic

/tĕlˌ-əf-än'-ĭk/ · Tel·e·phon·ic · IPA /tˌɛləfˈɑnɪk/
01 a. Conveying sound to a great distance.
  1. 1.
    Conveying sound to a great distance.
  2. 2.
    Of or pertaining to the telephone; by the telephone.